Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é o país quando a cidade é Gafsa?
 ###Tabelas: CREATE TABLE results_by_year (results_by_year_id AUTO_INCREMENT PRIMARY KEY, Year INT, Men's Open VARCHAR, Women's Open VARCHAR, Mixed Open VARCHAR, Men's u20 VARCHAR, Women's u20 VARCHAR, Senior Mixed VARCHAR, Men's 30 VARCHAR, Women's 30 VARCHAR, Men's 35 VARCHAR, Women's 35 VARCHAR, Men's 40 VARCHAR, Women's 40 VARCHAR, Men's 45 VARCHAR, Men's 50 VARCHAR) CREATE TABLE destinations (destinations_id AUTO_INCREMENT PRIMARY KEY, City VARCHAR, Country VARCHAR, IATA VARCHAR, ICAO VARCHAR, Airport VARCHAR) CREATE TABLE newly_named_birds (newly_named_birds_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Status VARCHAR, Authors VARCHAR, Location VARCHAR, Notes VARCHAR) CREATE TABLE terror_and_other_attacks_1968–1987 (terror_and_other_attacks_1968–1987_id AUTO_INCREMENT PRIMARY KEY, Military deaths INT, Civilian deaths (including foreigners) INT, Total deaths INT, Military and/or Civilian wounded VARCHAR, Total casualties VARCHAR) CREATE TABLE royal_rumble_entrances_and_eliminations (royal_rumble_entrances_and_eliminations_id AUTO_INCREMENT PRIMARY KEY, Draw INT, Entrant VARCHAR, Brand VARCHAR, Order VARCHAR, Eliminated by VARCHAR, Time VARCHAR)  
SELECT Country FROM destinations WHERE City = gafsa